r - Error in readRDS(file.rds) -


summary:

i installed rstan package, facing error:

error in readrds(file.rds) : unknown input format

description:

> traceback() 5: readrds(file.rds) 4: is(obj <- readrds(file.rds), "stanmodel") 3: stan_model(file, model_name = model_name, model_code = model_code, stanc_ret = null, boost_lib = boost_lib, eigen_lib = eigen_lib, save_dso = save_dso, verbose = verbose) 2: stan(file = fname, data = datalist, init = list(inlist), chains = 1, iter = n.it, pars = c("f", "tau"), warmup = n.warm, seed = computerid + 1000) @ functions.r#131 1: runmodel(11, myt, nu, lambda, rho, bdri, pars, computerid, n.it, n.warm, getwd())

environment:

  • rstan version: 2.16.2
  • r version 3.4.1 (2017-06-30)
  • operating system: windows 10

please test whether works:

install.packages('rstan') library(rstan)  saverds(mtcars, file = 'test.rds') readrds('test.rds')

works fine me


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